I wrote and maintain (though not as attentively as I’d like) a Ruby Gem, Strongbox , which adds Public-key Encryption support to Rails’ ActiveRecord. Simply put, Public-key Encryption is a form of encryption with two password, one to encrypt data and another to decrypt it. This is han...

Encrypting Sensitive Data with Perl I wrote about how to use public key encryption to automatically and securely encrypt information with Perl. This allows you encryption things like credit card numbers, bank routing information, or that winning PowerBall number in a unattended fashio...